// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

#include <IceSSL/PluginI.h>
#include <IceSSL/Instance.h>
#include <IceSSL/SSLEngine.h>
#include <IceSSL/EndpointI.h>

#include <Ice/ProtocolPluginFacade.h>
#include <Ice/ProtocolInstance.h>
#include <Ice/LocalException.h>
#include <Ice/RegisterPlugins.h>

using namespace std;
using namespace Ice;
using namespace IceSSL;

//
// Plug-in factory function.
//
extern "C" ICE_SSL_API Ice::Plugin*
createIceSSL(const CommunicatorPtr& communicator, const string& /*name*/, const StringSeq& /*args*/)
{
    return new PluginI(communicator);
}

namespace Ice
{

ICE_SSL_API void
registerIceSSL(bool loadOnInitialize)
{
    Ice::registerPluginFactory("IceSSL", createIceSSL, loadOnInitialize);
}

}

//
// Objective-C function to allow Objective-C programs to register plugin.
//
extern "C" ICE_SSL_API void
ICEregisterIceSSL(bool loadOnInitialize)
{
    Ice::registerIceSSL(loadOnInitialize);
}

//
// Plugin implementation.
//
IceSSL::PluginI::PluginI(const Ice::CommunicatorPtr& com)
{
#if defined(ICE_USE_SECURE_TRANSPORT)
    _engine = new SecureTransportEngine(com);
#elif defined(ICE_USE_SCHANNEL)
    _engine = new SChannelEngine(com);
#elif defined(ICE_OS_WINRT)
    _engine = new WinRTEngine(com);
#else
    _engine = new OpenSSLEngine(com);
#endif

    //
    // Register the endpoint factory. We have to do this now, rather
    // than in initialize, because the communicator may need to
    // interpret proxies before the plug-in is fully initialized.
    //
    IceInternal::ProtocolPluginFacadePtr pluginFacade = IceInternal::getProtocolPluginFacade(com);

	// SSL based on TCP
    IceInternal::EndpointFactoryPtr tcp = pluginFacade->getEndpointFactory(TCPEndpointType);
    if(tcp)
    {
        InstancePtr instance = new Instance(_engine, SSLEndpointType, "ssl");
        pluginFacade->addEndpointFactory(new EndpointFactoryI(instance, tcp->clone(instance, 0)));
    }

    // SSL based on Bluetooth
    IceInternal::EndpointFactoryPtr bluetooth = pluginFacade->getEndpointFactory(BTEndpointType);
    if(bluetooth)
    {
        InstancePtr instance = new Instance(_engine, BTSEndpointType, "bts");
        pluginFacade->addEndpointFactory(new EndpointFactoryI(instance, bluetooth->clone(instance, 0)));
    }

    // SSL based on iAP
    IceInternal::EndpointFactoryPtr iap = pluginFacade->getEndpointFactory(iAPEndpointType);
    if(iap)
    {
        InstancePtr instance = new Instance(_engine, iAPSEndpointType, "iaps");
        pluginFacade->addEndpointFactory(new EndpointFactoryI(instance, iap->clone(instance, 0)));
    }
}

void
IceSSL::PluginI::initialize()
{
    _engine->initialize();
}

void
IceSSL::PluginI::destroy()
{
    _engine->destroy();
    _engine = 0;
}

void
IceSSL::PluginI::setCertificateVerifier(const CertificateVerifierPtr& verifier)
{
    _engine->setCertificateVerifier(verifier);
}

void
IceSSL::PluginI::setPasswordPrompt(const PasswordPromptPtr& prompt)
{
    _engine->setPasswordPrompt(prompt);
}

#ifdef ICE_USE_OPENSSL
void
IceSSL::PluginI::setContext(SSL_CTX* context)
{
    _engine->context(context);
}

SSL_CTX*
IceSSL::PluginI::getContext()
{
    return _engine->context();
}
#endif